Through this paper, the low-voltage power line network and channel characteristics are researched. The noise and attenuation characteristics of power line channel are measured and analyzed.
本文首先分析了低压电力线网络的特点及信道特性，对电力线信道的噪声和复衰减特性分别进行了测量及分析。
A new theoretical power loss simulation modal used in low-voltage network has been proposed and corresponding calculation method has been developed.
建立了适用于县级供电企业配电网及低压电网的理论线损计算模型，并且给出模型的计算方法。
The Wigner Ville time frequency analysis in conjunction with properly selected OFDM parameters is applied to evaluate the signal dynamic range performance over the low voltage power line network.
为了研究OFDM信号在低压电力线上的传输情况，运用基于维格纳分布的时频分析方法对电力线上的信号进行分析。
The protection socket for the refrigerator can protect the refrigerator when the power is supplied shortly after the electric network cuts off the power and the network voltage is too high or too low.
当电网断电时间不长又突然送电和电网电压过高或过低的情况下能使电冰箱得到保护。
It can calculate the power losses of each feeder rapidly and correctly and provide reliable foundation for the analysis and management of the power losses in low voltage distribution network.
该系统能适应弱环网等复杂的配网运行方式，并能快速准确地计算出低压配网中每条馈线的功率损耗情况，为低压配网线损的分析与管理提供可靠的基础。
The whole system has high integration, can meet the industry low voltage power distribution monitoring system's requirements in decentralization, network and intelligentization.
整个系统集成度高，能满足工业低压配电监控系统分散化、网络化、智能化的要求。
In light of the actualities of rural power distribution network, this paper describes the necessity and the best means of low voltage reactive power compensation for rural distribution network.
针对农村配电网的具体状况，说明对农村配电网进行低压无功补偿的必要性及其重要意义，并提出了农村配电网无功补偿的最佳方法。
The appearing and improving of intelligent type low-voltage circuit breakers enable short circuit breakdown protection for low-voltage power distribution network to be more reasonable.
低压智能型断路器的出现及完善，使低压配电网络的短路故障保护更趋合理。
The paper explores and makes research on low-voltage power line network communication and channel coding techniques to achieve power line communication.
针对目前基于低压电力线网络通信信道编码技术进行了探讨与研究，并在此基础上实现了电力线通信。
At present, the reactive power imbalance of low-voltage power network is more and more serious. It not only affects the operating efficiency of equipments, but also the safe operation.
当前低压电网无功不平衡的现象日趋严重，这不仅影响了用电设备的运行效率，而且还影响其安全运行。
This article explains main factors to influence power factor in electrical network, common methods of reactive compensation in low voltage network, and the benefits of reactive compensation.
文中分析了影响电网功率因数的主要因素、低压电网无功补偿的常用方法及无功补偿的效益。
A MicroGrid is a low voltage network with different micro generators (micro sources) and loads operating to supply electric power for the local area.
微网是一种可将各种小型分布式电源组合起来为当地负荷提供电能的低压电网。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
应用推荐